Re: Wheels & Upgrades

[Mike Stump <tree@triton.net>]

Ok so I fell a little behind.
Any idea if this applys to a 2.3L engine?
Is there anyone besides TAP and IA worth contacting?
TIA
Mike Stump
80q

PAT MARTIN wrote:

> First off make sure your engine is running to spec.  50% of the 4kq's
> I have
> seen are not running properly.  95% of the ones I have seen do not
> have a
> working full throttle switch so start there.  This increases the
> mixture at
> full throttle so you can make a big gain there.  Also does the car run
> well
> when started cold?  If not you need to figure out why and fix it so
> you know
> where you are starting from.  NA motors are not good for major power
> increases
> but I will give you most of your options.
>
> There is really not much you can do to the non turbo motor to make
> that much
> power.  A list of what can be done follows.
>
> Exhoust.  1st thing to do.  2 1/2" will do just fine.  This adds ~10hp
> and
> much better throttle response.
>
> Advance the timing ~10 degrees.  Makes more power up high with very
> little
> lost down low.
>
> Rework the airbox.  Some have drilled 1" holes in the side of it.  I
> am not a
> big fan of that because of drawing hot air.  I think slotting the
> bottom of
> the box and inner fender to get more air in box.  K&N is worthless in
> my
> opinion.
>
> Get a black box from AVS that increases the fuel at full throttle.
> These are
> less than $300 but will get you between 10-15 hp.  I do not like doing
>
> business with AVS but as far as I know they are the only ones who make
> this.
>
> Cam.  Big HP gain but at a cost.  272 runs about $500.  The better 276
> is more
> towards ?600.  These will give it about 150 hp but you are limited to
> about
> that.   150hp is pretty good for this chassis and will give you 0-60
> in about
> 6-7 seconds.   You do lose some low end and will get a lumpy idle.
> For a
> cheap upgrade you can put a turbo cam in and it should give about
> 10-20 hp.
> Somebody on the list was going to test this but has not yet posted the
>
> results.
>
> Go hog wild and build a 2.5 liter engine.  Big money for ~175-200 hp.
> But
> this is the high end so at that point you might as well have put in a
> MC turbo
> motor or even a 20v for 200 hp at the low end.
>
> Do not waste your money on a "computer upgrade" as it will yield none
> if any
> for a lot of money.
>
> Pat Martin
> 864000csq turbo, 2 1/2 cat back, H&R-Boge, MC and loving it.  Drilled
> rotors
> stopping it. Koenig Cobra 16x7 with AVS Intermediates turning it,  K&N
> and
> uh....
> 95 subaru legacy
> Bothell, Wa
>
> Hi All,
> I have an '86 4kcsq.  I'm looking to up the hp.
> I read about many upgrades for the 5kt's but haven't found much for
> the
> 4k's.
> Also does anyone know if the wheels from a 90 will fit my car?
>
> Lajza =